理论分析与实验结果表明该方法是确定性的多项式时间算法。

Both theoretic analyses and testing results show that the new method is a deterministic polynomial time algorithm.

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此法的第一步是在信号时-空窗内用多道互相关确定信号时间多项式，此多项式决定了各道的信号相位时间；

This method includes the following steps: 1. Obtain time polynomial of signal using cross correlation in a time-space window, the polynomial determining the phase times of signal on all traces;

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此法的第一步是在信号时-空窗内用多道互相关确定信号时间多项式，此多项式决定了各道的信号相位时间；

This method includes the following steps: 1. Obtain time polynomial of signal using cross correlation in a time-space window, the polynomial determining the phase times of signal on all traces;

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